England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,297Searchable applications
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - GrantedN6/2006/0002/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    RPL HOUSE, SWALLOWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JG

    Received 4 Jan 2006
  2. Decided - WithdrawnN6/2013/1558/TP

    Reduce by 10% all trees marked on plan submitted within application form

    4B Bracken Lane Welwyn AL6 0RB

    Received 23 Jul 2013
  3. Decided - GrantedN6/2004/0430/FP

    ERECTION OF A SINGLE STOREY SIDE EXTENSION TO FORM GARAGE.

    Oakdale 1B Darby Drive Welwyn AL6 9TE

    Received 22 Mar 2004
  4. Decided - Granted6/2023/2071/TPO

    6x Hornbeam trees - crown reduction by 2 metres back to previous reduction point. 2x Sweet Chestnut trees - crown reduction by 2 metres and removal of broken branches, works recommended following identified basal decay.

    Hornbeams 32 Chestnut Walk Welwyn AL6 0SD

    Received 10 Oct 2023
  5. Decided - Granted6/2018/0752/HOUSE

    Erection of a front porch, single storey rear extension and link to garage following the demolition of existing conservatory, as well as the installation of a front window to facilitate garage conversion to habitable space

    23 Walker Grove Hatfield AL10 9PL

    Received 21 Mar 2018
  6. Decided - Granted6/2024/1427/EMT

    1 x London plane tree - crown lifting to 4.5m and removal of dead wood in tree.

    10 Beehive Green Welwyn Garden City AL7 4BE

    Received 26 Jul 2024
  7. Decided - Granted6/2023/0311/COND

    Submission of details pursuant to condition number 17 (external materials to bin store), on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 8 Feb 2023
  8. Decided - Granted6/2020/0967/LAWP

    Certificate of lawfulness for the removal of existing chimney, erection of a full width rear dormer to include 2 x Juliette balconies and insertion of 3 x new roof lights to facilitate the conversion of existing loft into a habitable space.

    8 Elmoor Close Welwyn AL6 9PF

    Received 29 Apr 2020
  9. Decided - Withdrawn6/2018/0778/EM

    Erection of single storey rear extension with roof lantern and replacement of front door.

    52 Thistle Grove Welwyn Garden City AL7 4AN

    Received 22 Mar 2018
  10. Decided - Granted6/2023/1316/FULL

    Erection of a single storey, part two storey rear extension with subdivision of plot to facilitate creation of end of terrace dwelling

    189 Boundary Lane Welwyn Garden City AL7 4EJ

    Received 26 Jun 2023
  11. Decided - GrantedN6/2014/0189/FP

    Erection of single storey rear extension

    309 Knightsfield, Welwyn Garden City, AL8 7NJ

    Received 31 Jan 2014
  12. Appeal Decided - DismissedS6/2012/2464/FP

    Construction of new gable ended roof with side facing dormers, erection of single storey side extension to form a new porch

    87 The Ridgeway, Cuffley, POTTERS BAR, EN6 4BG

    Received 22 Nov 2012
  13. Decided - Refused6/2020/2950/LAWP

    Certificate of Lawfulness for the erection of a one storey rear extension with flat roof and sky light

    3 Layton Street Welwyn Garden City AL7 4FE

    Received 11 Nov 2020
  14. Decided - Granted6/2018/3224/COND

    Submission of details pursuant to condition 2 (construction management plan) and 5 (sustainable drainage system) of planning permission 6/2018/0272/FULL

    White Lion Square Hatfield Town Centre Hatfield AL10 0JJ

    Received 18 Dec 2018
  15. Decided6/2023/0864/TC

    T1 - 1 x Western Red Cedar to fell to ground level T2 - Oak to reduce lateral branches in an easterly direction by up to 2m. The tree is suppressed on the western side due to the woodland and has developed large extended limbs towards the property. T3 - Oak to fell to ground level. Tree is in poor condition, large amounts of dead, overhanging neighbouring property T4- Holly to fell to ground level. Invasive woodland species, poor form extending largely into neighbours garden

    27 Reddings Welwyn Garden City AL8 7LA

    Received 24 Apr 2023
  16. Decided - Granted6/2024/0666/FULL

    Relocation existing entrance with formation of ramp to new entrance, replacement of rear doors with security doors and installation of new mechanical plant at the rear of the store with access gates, new A/C units and colour changes to shop front

    1-5 Shoplands Welwyn Garden City AL8 7RH

    Received 9 Apr 2024
  17. Decided - GrantedW6/2004/0384/EM

    ERECTION OF TIMBER GARDEN STUDIO

    5 Beehive Lane, Welwyn Garden City, AL7 4BB

    Received 15 Mar 2004
  18. Decided - Granted6/2016/1051/EM

    Erection of shed

    1 Howicks Green, Welwyn Garden City, AL7 4RJ

    Received 27 May 2016
  19. Decided6/2019/1755/TC

    Reduce overhanging branches of 1x Elm Tree back to previous reduction points.

    8 The Orchard Welwyn Garden City AL8 7PL

    Received 12 Jul 2019
  20. Decided - GrantedS6/2013/2691/FP

    Alterations to create new external door access to existing conservatory following the blocking up of existing external door

    The Two Brewers, 1 Northaw Road West, Northaw, EN6 4NW

    Received 16 Dec 2013
  21. Decided - GrantedN6/2004/1396/FP

    PART TWO STOREY PART SINGLE STOREY SIDE EXTENSION

    21 Golden Dell Welwyn Garden City AL7 4EE

    Received 17 Sept 2004
  22. Decided6/2024/0836/TC

    1 x Plum to; - remove rear dead stem - remove main up right stem - reduce right hand limb down to live growth points - Clear away fallen limbs on the ground

    39 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 2 May 2024
  23. Decided - Refused6/2018/1336/EM

    Amendment of driveway to add additional concrete block paving

    58 Boundary Lane Welwyn Garden City AL7 4DP

    Received 21 May 2018
  24. Decided - Granted6/2025/1722/HOUSE

    Erection of a single storey side extensions x 2, first floor rear extension, roof alterations including addition of dormers to side and rear elevations, insertion of roof lights, Juliet balcony onto terrace and alterations to openings and boundary wall

    2 Lanercost Close Welwyn AL6 0RW

    Received 13 Aug 2025

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage